def solve(d, a, b):
    if a >= b:
        return b * d
    else:
        return a * d

import sys
def input():
    return sys.stdin.readline.rstirp()

def main():
    d = int(input())
    a, b = map(int, input().split())
    res = solve(d, a, b)
    print(res)

if __name__ == "__main__":
    main()