1 2 3 4

Sum = 10; Average = 2.5

#include<stdio.h>

int main(){
	int a,b,c,d;
	scanf("%d %d %d %d"
 
,&a,&b,&c,&d);
	printf("Sum = %d; Average = %.1f",a+b+c+d,(a+b+c+d)/4.0);
	return 0;
}

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