//ПЕРВОЕ: q,w,e,r,t,y,u,i,o,p,a,s,d,f,g,c:integer; begin readln(q); readln(w); readln(e); readln(r); readln(t); readln

; readln(u); readln(i); readln(o); readln(p); readln(a); readln(s); readln(d); readln(f); readln(g); c:=q+w+e+r+t+y+u+i+o+p+a+s+d+f+g; writeln(c); end.