Check Prime

# Take 10 number as input and return the sum of all prime number among them

# Checking for prime
def checkPrime(num):
    flag = True
    if num > 1:
        for i in range(2, num):
            if (num % i) == 0:
                flag = False
                break
    return flag


def main():
    sum_prime = 0
    for _ in range(10):
        num = int(input())
        if checkPrime(num):
            sum_prime += num

    return sum_prime


if __name__ == "__main__":
    print(main())