#include<stdio.h>
int main()
{
int sum,num1,num2;
char operator;
printf("enter two numbers :"); scanf("%d%d",&num1
,&num2
);
printf("enter operator(+,-,*,/):");
if(operator == '+'){
sum=num1+num2;
}
else if(operator == '-'){
printf("%2d%s\n",num1
- num2
);
}
}
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