with open(r"C:\Users\maku\Desktop\bok.txt",'r',encoding='utf-8')as laji:
    b=laji.readlines()
a=[]
for i in b:
    f=i.split()
    j=0
    for c in f[1:]:
        j=j+int(c)
    r=f[0]+str(j)+'\n'
    a.append(r)
with open(r"C:\Users\maku\Desktop\bok.txt",'a',encoding='utf-8')as laji:
    laji.writelines(a)