---

import sys

def main():
    data = sys.stdin.read().split()
    if len(data) < 3:
        return
        
    a = int(data[0])
    b = int(data[1])
    K = int(data[2])
    mod = 10 ** K

    res = pow(a, b, mod)
    print(f"{res:0{K}d}")

if __name__ == "__main__":
    main()