#include<stdio.h>
main()
{
int n;
int i=1;
int sum=0;
int s_sum=0;
int c_sum=0;
do{
sum+=i;
s_sum+=(i*i);
c_sum+=(i*i*i);
i++;
}
while(i<=n);
printf("%d\n%d\n%d",sum
,s_sum
,c_sum
); }
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