p = 10**9 + 7 #10**9 + 7
'''
a, b = 1, 0
i = 0
while(True):
    a, b = (a + b) % p, a
    i += 1
    if (i % 10000 == 0):print(i)
    if (a == 1 and b == 0):break
    if (a == 0 and b == 0):break
print(i, a, b)
'''

# fib(cycle)%p = 0
# fib(cycle + 1)%p = 1
cycle = 2000000016


def fib(n, mod):
    a, b, d = 1, 1, 0
    ta, tb, tc, td = 1, 0, 0, 1
    while n:
        if n & 1:
            ta, tb, tc, td = (a*ta+b*tb)%mod, (a*tb+b*td)%mod, (b*ta+d*tc)%mod, (b*tb+d*td)%mod
        a, b, d = (a*a+b*b)%mod, (b*(a+d))%mod, (b*b+d*d)%mod
        n >>= 1
    return tc

n = int(input())
x = fib(n, cycle)
y = fib(x, p)
print(y)