#include <stdio.h>
int main(void){
int a=3, b=4;
double res = 0.75;
printf("||-----|-----|-----|-----||\n");
printf("|| act | one | two | res ||\n");
printf("||=====+=====+=====+=====||\n");
printf("||%c|%d|%d|%d||\n",'+',a,b,a+b);
printf("||%c|%d|%d|%d||\n",'-',a,b,a-b);
printf("||%c|%d|%d|%d||\n",'*',a,b,a*b);
printf("||%c|%d|%d|%f||\n",'/',a,b,res);
printf("===========================");
return(0);
}