//Mamunuz Zaman Sarker
//Roll No: 15-29817-2
//section: B3
#include<stdio.h>
int main()
{
int i=1, j=0, k,sum = 0;
int n, l;
printf("Enter the value of n: \n");
scanf("%d", &n);
for(l=0; l < n; l++){
printf("%d + ",i);
sum = sum + i;
k = i;
i = i + j;
j = k;
}
printf(". . . .\n");
printf("\nSum is: %d\n", sum);
return 0;
}