#include<stdio.h> int main() { int m,i; while(scanf("%d",&m)!=EOF) { if(m!=0) { int sum=1,s1=1,s2=1; for(i=1;i<=m+1;i++) { if(i<3) sum=1; else { sum=s1+s2; s1=s2; s2=sum; } } printf("%d\n",sum); } else break; } return 0; } |
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