#include<stdio.h>
int main(){
    double balance;
    int num_transactions;
    double transaction_amount;
    scanf("%lf",&balance);
    scanf("%d",&number transactions);
    for(int i=0;i<_num transaction;i++){
        scanf("if",&transaction_amount);
        balance+=transaction_amount;
    }
    printf("%2.1f\n",balanced);
    return 0;
    
}