try:
    s=300
    j=0
    m=0
    ao=0
    for i in range(12):
        lo=0
        ao=0
        y=int(input("输入"))
        j+=s        
        if j>y or j==y:
            j-=y       
        else:
            print(f"{j-y}")
            break
        for l in range(4):
            ao+=100
            if ao>j:
                ao=ao-100
                j-=ao
                m+=ao
                 break
    if j>=0:
        m*=1.2
        print(int(j+m))
except:
    print("错误")