Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: phatto

Language: python

Time: 0.011 second

Submitted On: 2026-09-14 19:23:31

n = int(input())

a = 1
b = 1

for i in range(3, n + 1):
    c = a + b
    a = b
    b = c

print(b if n >= 2 else a)