import sequtils,strutils,strscans const m : int64 = 1_000_000_007 var N = stdin.readline.parseInt ans, c, d : int64 s, ds, cs : string proc ctoi(c : char) : int = return ord(c) - ord('0') proc powInt(n : int64, m : int64, k = 1_000_000_007):int64 = if m == 0: return 1 elif m == 1: return (n mod k) if (m mod 2) == 0: return powInt((n*n) mod k,m div 2, k) mod k else: return (powInt((n*n) mod k,m div 2, k) * n) mod k type Matrix[H,W: static[int]] = array[1..H,array[1..W,int64]] proc `+`[H,W](a,b:Matrix[H,W]):Matrix[H,W] = for i in 1..high(a): for j in 1..high(a[0]): result[i][j] = a[i][j] + b[i][j] proc `*`[Ha,Wa,Wb](a:Matrix[Ha,Wa],b:Matrix[Wa,Wb]):Matrix[Ha,Wb] = var k : int64 for i in 1.. Ha: for j in 1..Wb: k = 0 for ai in 1..Wa: k = (k + a[i][ai] * b[ai][j]) mod m result[i][j] = k proc powMatrix[W,H](a : Matrix[W,H], n : int64):Matrix[W,H] = if n == 1: return a if n mod 2 == 0: return powMatrix(a * a,n div 2) else: return powMatrix(a * a,n div 2) * a proc printMatrix(A: Matrix)= for a in A: echo a.join(", ") proc fib(n : int64): int64 = if n == 0: return 0 var A : Matrix[2,2] = [[1.int64,1.int64],[1.int64,0.int64]] return (powMatrix(A,n))[2][1] mod m const t = 1_000_000_006 ans = 1 for n in 1..N: s = stdin.readline discard scanf(s, "$* $*", cs, ds) c = cs.parseBiggestInt d = 0 for i in 0..ds.high: d *= 10 d += ds[i].ctoi d = d mod t ans = (ans * powInt(fib((c + 2) mod 2_000_000_016) , d)) mod m #echo ans echo ans