#include <stdio.h>
int main()
{
int a,b,d;
float e;
char f;
if(f == '+')
{
d = a+b;
}
else if(f == '-')
{
d = a-b;
}
else if(f == '*')
{
d = a*b;
}
else if(f == '/')
{
e = a/b;
}
else if(f == '%')
{
d = a%b;
}
else
printf("YOU ENTERED WRONG OPERATION"); }
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