#include <iostream>
int keisan(int a, int b) {
return a + b;
}
int main() {
int a = 2;
int b = 1;
int c;
c = keisan(a, b);
printf("%f", c);
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKaW50IGtlaXNhbihpbnQgYSwgaW50IGIpIHsKICAgIHJldHVybiBhICsgYjsKfQoKaW50IG1haW4oKSB7CglpbnQgYSA9IDI7CglpbnQgYiA9IDE7CglpbnQgYzsKCWMgPSBrZWlzYW4oYSwgYik7CglwcmludGYoIiVmIiwgYyk7CgkKCXJldHVybiAwOwp9