#include <stdio.h>
#define READ(X) {printf(#X"="); scanf("%d",&X);}
#define WRITE(X) printf(#X"=%d\n",X);
int main()
{
int a, b, wa, sa, seki, shou;
READ(a)
READ(b)
wa = a + b;
sa = a - b;
seki = a * b;
shou = a / b;
WRITE(wa)
WRITE(sa)
WRITE(seki)
WRITE(shou)
return 0;
}
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