# your code goes here
# your code goes here
import sys
dna=sys.stdin.read().strip()
complement = dna.translate(dna.maketrans("ATCG", "TAGC"))
print(complement) # your code goes here
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCiMgeW91ciBjb2RlIGdvZXMgaGVyZQppbXBvcnQgc3lzCgpkbmE9c3lzLnN0ZGluLnJlYWQoKS5zdHJpcCgpCmNvbXBsZW1lbnQgPSBkbmEudHJhbnNsYXRlKGRuYS5tYWtldHJhbnMoIkFUQ0ciLCAiVEFHQyIpKQpwcmludChjb21wbGVtZW50KSAjIHlvdXIgY29kZSBnb2VzIGhlcmU=
Q0FBQ0NUQUNDQUNUQVRBVEdDR0FHQVRUQUFHQUNBQVRUQUNHR0NHQUFHQUFUQ0FBR0NUQ0dUQ0dBQVRHQ0NHQUdDQ0FUQ0FBQUNBVFRDQUFBVEdBR0dUR1RHR0NBQ0FBR0FDVEdHVEdBVEFBVEdUQ0dDQ0dHQ1RUQUFBQ0NDQUFUQUdDQUFDQ1RHQ0NHR0dUR0dUVEFUVFRUVEdBR1RUQVRUQ1RDVEdHR0dBR1RDQUFHVENHVEFDR0NDR0NBVEdHR0FHQVRUVFRHQ1RUQ0dHR0FDQ1RUQ0NUQ0dBVFRBVENUR0FHQUFUVEdBR0dBQUFBR0dUQUNDQ0NHR0FBQUFHQ0dHR0dUVFRBQ0NDVEFBQVRUQUNHVEdDQ1RBQ0dHR0FDQ0dBQ1RBVEFHVFRBQ0FUVEFBQUNBR0dHVEFDQ0NBQ0NHVEFHQUdBQ0FUQUdUR1RHQ0dBVFRBR0NUR0NUQUFDQUdUR0NHVEFBQ0dUQ0dHQUNUQUFUQVRUR0FDQ0FHQVRUQ0NUVEFUQ0NHQVRHQVRDQUFHVFRUVFRBVEdHQ0FDVFRUQ0NHR0NBQ0FBVENBQ0FDQUdDQUFDQ1RHQ0NHQUFDVFRHQ0NUVFRHQVRDVEFBR0NUR0dBQ0dHVEFBVEFDQ1RHQ1RBQ1RHQ0FHQ0FBQ0NUQUFHVFRUQUFUQVRUVENDVEdDQUdDVEFBR0FBQUNHQVRDVEFUQ0FUR0NDVEFDQ0NUQ1RBQVRHQUdHQ0FDQVRDQUdBQVRBQUFDQ0NUQ0dBVFRHVEFBQ0dBVEFBVEFBQUFHVEFHQVRBVEFBVEdDVEFDVEdBVENUQUFHQ1RHR0NUVEdUR0dUR1RHVFRUR0dBVEdUQ0dHQUNDR0dHVEdUVFRBVEFHR0dUQUFUVEdUQ0dHQ0FUQ0dDR0NUQVRDVENHQUNBQUFBQUdUQ0dHVEFDQVRDQ0NDQ0dHR0dDVFRHQ1RHVFRHVENHQ0NDVEFUQ0FHR0FUQUFHQUdDR0FUVENDQ0FBR0dHVFRUQUNHVEFDQ0FUQUdBVFRDQUNDR0dBQUdUVEdHQ1RUQ0FDR1RDQ0dBR0dDR1RHQUNHQVRDR0dHQUNBVENDVFRBQ1RBR0FBVEdHVFRHR0NDVENHVEFUR0NHVEdHQUFHQUFUQUFHR0dUQ1RHR0FHQ1RHVFRDQVRBQUFBR0NHR0dBQUFDQ0FHQ1RHQ1RUQVRUR0NDQUFBR0NDQUNBQ0dBR1RU
CAACCTACCACTATATGCGAGATTAAGACAATTACGGCGAAGAATCAAGCTCGTCGAATGCCGAGCCATCAAACATTCAAATGAGGTGTGGCACAAGACTGGTGATAATGTCGCCGGCTTAAACCCAATAGCAACCTGCCGGGTGGTTATTTTTGAGTTATTCTCTGGGGAGTCAAGTCGTACGCCGCATGGGAGATTTTGCTTCGGGACCTTCCTCGATTATCTGAGAATTGAGGAAAAGGTACCCCGGAAAAGCGGGGTTTACCCTAAATTACGTGCCTACGGGACCGACTATAGTTACATTAAACAGGGTACCCACCGTAGAGACATAGTGTGCGATTAGCTGCTAACAGTGCGTAACGTCGGACTAATATTGACCAGATTCCTTATCCGATGATCAAGTTTTTATGGCACTTTCCGGCACAATCACACAGCAACCTGCCGAACTTGCCTTTGATCTAAGCTGGACGGTAATACCTGCTACTGCAGCAACCTAAGTTTAATATTTCCTGCAGCTAAGAAACGATCTATCATGCCTACCCTCTAATGAGGCACATCAGAATAAACCCTCGATTGTAACGATAATAAAAGTAGATATAATGCTACTGATCTAAGCTGGCTTGTGGTGTGTTTGGATGTCGGACCGGGTGTTTATAGGGTAATTGTCGGCATCGCGCTATCTCGACAAAAAGTCGGTACATCCCCCGGGGCTTGCTGTTGTCGCCCTATCAGGATAAGAGCGATTCCCAAGGGTTTACGTACCATAGATTCACCGGAAGTTGGCTTCACGTCCGAGGCGTGACGATCGGGACATCCTTACTAGAATGGTTGGCCTCGTATGCGTGGAAGAATAAGGGTCTGGAGCTGTTCATAAAAGCGGGAAACCAGCTGCTTATTGCCAAAGCCACACGAGTT