var input = require('fs').readFileSync('/dev/stdin', 'utf8').split('\n');
console.log(input.map(function(x) {
  var calc = {
    '+': function(a, b) {return a + b;},
    '-': function(a, b) {return a - b;},
    '*': function(a, b) {return a * b;},
    '/': function(a, b) {return ~~(a / b);},
    '?': function(a, b) {return;}
  };
  var arr = x.split(' ');
  return (Number(arr[0]) + Number(arr[2]));
}).join('\n').trim());