#include<stdio.h>
int main()
{
int N;
double a, x;
printf("Enter numbers N, X, A: ");
scanf("%d %lf %lf", &N, &x, &a);
for(int i = 0; i < N; i++) x = (x+a)*(x+a);
x += a;
printf("Result: %lf\n", x);
}
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