#includeint main() { int a=1; int b=1; int c=1; int d=0; int line=0; scanf("%d",&d); while(line<=d-3) { line++; c=a+b; a=b; b=c; } printf("%d",c); return 0; }
#includeint main() { int a=1; int b=1; int c=1; int d=0; int line=0; scanf("%d",&d); while(line<=d-3) { line++; c=a+b; a=b; b=c; } printf("%d",c); return 0; }
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