Help me in solving PPSC24A problem

My issue

how slove errors

My code

#include <stdio.h>

int main() {
	// your code goes here
printf)("%d",a+b);
printf("%d",a-b);
printf("%d",a*b);
}

Learning course: Programming and Problem solving using C
Problem Link: htts:p//www.codechef.com/learn/course/ciet-programming-c/CIETPC08/problems/PPSC24A